PLANTS WORTH GROWING 
177 
produces close heads of violet or purple flowers. A 
few other species are useful for filling big breadths 
in the wild garden, but some are 
of rather rough appearance for the 
flower garden proper. 
Phlox. — With its several distinct 
classes and types, ranging from the 
prostrate Alpines to the tall erect 
varieties of the Decussata or Pani- 
culata section, the Phlox family pro- 
vides gay and beautiful flowers for 
any part of any garden. We may 
have Phlox of one kind or another 
in bloom from the early days of 
April to the cold, dull days- of Octo- 
ber, and there is no difficulty in 
their culture. We are not at the 
moment concerned with the Alpine 
and Rock garden kinds, but the 
border varieties, Glaberrima suffru- 
ticosa for early flowering and Pani- 
culata or Decussata for Midsummer 
and Autumn, may be planted in 
whatever is the best soil available, 
bearing in mind that Phloxes are 
gross feeders and require plenty of 
moisture during the whole growing 
period. Best results are secured 
from young plants raised from cuttings, but division 
of clumps in early Spring is an easier method where 
OF 
Inflorescence 
Pentstemon 
Barbatus, show- 
ing extreme ele- 
gance of form. 
M 
